"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
|7921907||In situ method and system for extraction of oil from shale|
A system and process for extracting hydrocarbons from a subterranean body of oil shale within an oil shale deposit located beneath an overburden. The system comprises an energy delivery subsystem to heat the body of oil shale and a hydrocarbon gathering subsystem fo...
|7743826||In situ method and system for extraction of oil from shale|
A system and process is disclosed for retorting oil shale and extracting shale oil and other hydrocarbons therefrom, in which a cased heat delivery well is drilled generally vertically through an overburden and then through a body of oil shale to be retorted to the ...